The claim that \u201cone in four\u201d of us will suffer from a mental health problem is popular amongst campaigners, politicians and the media. But this leads you to a simple question \u2013 where is this figure from and what\u2019s the evidence? This was exactly what neuroscientist Jamie Horder asked, and far from being simple, it led him on quite a journey. So do we really know how many people are likely to develop mental health problems \u2013 Elizabeth Cassin and Charlotte McDonald find out.
Presenter: Charlotte McDonald\nProducer: Elizabeth Cassin